KiCad PCB EDA Suite
polygon_item.cpp
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1/*
2 * This program source code file is part of KICAD, a free EDA CAD application.
3 *
4 * Copyright (C) 2017 Kicad Developers, see AUTHORS.txt for contributors.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
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11 * This program is distributed in the hope that it will be useful,
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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20 * or you may write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
25#include <painter.h>
26#include <view/view.h>
27
28using namespace KIGFX::PREVIEW;
29
30const double POLYGON_ITEM::POLY_LINE_WIDTH = 1;
31
32POLYGON_ITEM::POLYGON_ITEM() :
34{
35}
36
37
38void POLYGON_ITEM::SetPoints( const SHAPE_LINE_CHAIN& aLockedInPts,
39 const SHAPE_LINE_CHAIN& aLeaderPts )
40{
41 m_lockedChain = aLockedInPts;
42 m_leaderChain = aLeaderPts;
43
46
47 for( int i = 0; i < aLockedInPts.PointCount(); ++i )
48 m_polyfill.Append( aLockedInPts.CPoint( i ) );
49
50 for( int i = 0; i < aLeaderPts.PointCount(); ++i )
51 m_polyfill.Append( aLeaderPts.CPoint( i ) );
52}
53
54
56{
57 KIGFX::GAL& gal = *aView->GetGAL();
58 RENDER_SETTINGS* renderSettings = aView->GetPainter()->GetSettings();
59
60 if( m_lockedChain.PointCount() >= 2 )
61 {
62 gal.SetLineWidth( (float) aView->ToWorld( POLY_LINE_WIDTH ) );
64 }
65
66 // draw the leader line in a different color
67 if( m_leaderChain.PointCount() >= 2 )
68 {
69 gal.SetStrokeColor( renderSettings->GetLayerColor( LAYER_AUX_ITEMS ) );
71 }
72
73 for( int j = 0; j < m_polyfill.OutlineCount(); ++j )
74 {
75 const SHAPE_LINE_CHAIN& outline = m_polyfill.COutline( j );
76
77 if( outline.PointCount() >= 2 )
78 gal.DrawPolygon( outline );
79 }
80}
81
82
84{
85 return m_polyfill.BBox();
86}
Abstract interface for drawing on a 2D-surface.
virtual void DrawPolygon(const std::deque< VECTOR2D > &aPointList)
Draw a polygon.
virtual void SetLineWidth(float aLineWidth)
Set the line width.
virtual void DrawPolyline(const std::deque< VECTOR2D > &aPointList)
Draw a polyline.
virtual void SetStrokeColor(const COLOR4D &aColor)
Set the stroke color.
virtual RENDER_SETTINGS * GetSettings()=0
Return a pointer to current settings that are going to be used when drawing items.
void SetPoints(const SHAPE_LINE_CHAIN &aLockedInPts, const SHAPE_LINE_CHAIN &aLeaderPts)
Set the polygon points.
virtual const BOX2I ViewBBox() const override
Return the bounding box of the item covering all its layers.
void drawPreviewShape(KIGFX::VIEW *aView) const override
< Draw rectangle and center line onto GAL
SHAPE_LINE_CHAIN m_lockedChain
Definition: polygon_item.h:68
static const double POLY_LINE_WIDTH
Definition: polygon_item.h:73
SHAPE_LINE_CHAIN m_leaderChain
polygon fill
Definition: polygon_item.h:68
SIMPLE_OVERLAY_ITEM is class that represents a visual area drawn on a canvas, used to temporarily dem...
Container for all the knowledge about how graphical objects are drawn on any output surface/device.
const COLOR4D & GetLayerColor(int aLayer) const
Return the color used to draw a layer.
Hold a (potentially large) number of VIEW_ITEMs and renders them on a graphics device provided by the...
Definition: view.h:69
GAL * GetGAL() const
Return the #GAL this view is using to draw graphical primitives.
Definition: view.h:195
VECTOR2D ToWorld(const VECTOR2D &aCoord, bool aAbsolute=true) const
Converts a screen space point/vector to a point/vector in world space coordinates.
Definition: view.cpp:445
PAINTER * GetPainter() const
Return the painter object used by the view for drawing #VIEW_ITEMS.
Definition: view.h:213
Represent a polyline containing arcs as well as line segments: A chain of connected line and/or arc s...
int PointCount() const
Return the number of points (vertices) in this line chain.
const VECTOR2I & CPoint(int aIndex) const
Return a reference to a given point in the line chain.
int Append(int x, int y, int aOutline=-1, int aHole=-1, bool aAllowDuplication=false)
Add a new vertex to the contour indexed by aOutline and aHole (defaults to the outline of the last po...
int NewOutline()
Creates a new hole in a given outline.
int OutlineCount() const
Return the number of vertices in a given outline/hole.
const SHAPE_LINE_CHAIN & COutline(int aIndex) const
const BOX2I BBox(int aClearance=0) const override
Compute a bounding box of the shape, with a margin of aClearance a collision.
@ LAYER_AUX_ITEMS
Auxiliary items (guides, rule, etc)
Definition: layer_ids.h:222